Search Results | working animal
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How Acid Rain Works
science.howstuffworks.com/nature/climate-weather/atmospheric/acid-rain.htm
Acid rain is caused by emissions of sulfur dioxide and nitrogen oxides from power plants, cars and factories. Find out how acid rain is produced.
If a Peacock Loses His Tail Feathers, Do They Grow Back?
animals.howstuffworks.com/birds/peacock-feathers.htm
Peacock feathers are possibly the most beautiful plumage in the animal kingdom. Learn if peacock feathers grow back after these birds molt.
How well do you know zoology?
play.howstuffworks.com/quiz/how-well-do-you-know-zoology
Animals ... we love 'em! But there's a lot more to the animal kingdom than YouTube videos of doggies and kitties. Test your knowledge of zoology with our quiz!
How Biofilm Works
science.howstuffworks.com/life/cellular-microscopic/biofilm.htm
Biofilms form when single microorganisms attach to a hydrated surface and undergo a "lifestyle switch." Learn about biofilms in this article.
How Cremation Works
science.howstuffworks.com/cremation.htm
First, you burn the body until only brittle, pulverized bones are left. These remains are pulverized into ashes, and then placed into urns -- or diamonds, coral reefs and even outer space.
Which Savage Predator Does Your Anger Bring Out?
play.howstuffworks.com/quiz/which-savage-predator-does-your-anger-bring-out
The world is full of dangerous beasts looking for some prey. When you're having a rough day, are you like a shark who senses blood or a big sinewy cat, stalking your annoying coworkers in the office jungle?
What was the first circus?
entertainment.howstuffworks.com/arts/circus-arts/first-circus.htm
What was the first circus? Learn how circuses got their start at HowStuffWorks.
How the Obesity Paradox Works
health.howstuffworks.com/wellness/diet-fitness/weight-loss/obesity-paradox.htm
The obesity paradox shows that people with chronic obesity have a greater chance of survival than normal-weight people. Learn about the obesity paradox.
How Igloos Work
people.howstuffworks.com/igloo.htm
Igloos may be made by the Inuit as temporary houses to use on fishing and hunting expeditions. Read about igloos and find out how to build an igloo.
How Iron and Steel Work
science.howstuffworks.com/iron.htm
The refining of iron ore is one of the most historically significant achievements of all time. Find out how iron gets turned into steel and what it's used for.